What is
Gastrintestinal Tumors?

Gastrointestinal stromal tumors (GISTs) start in special cells in the wall of the gastrointestinal (GI) tract, also known as the digestive tract. Symptoms include stomach pain, blood in your stool, vomiting, weight loss for no reason, trouble, swallowing, yellowish eyes or skin, swelling in your stomach, constipation or diarrhea.